Many people say that they will choose Crypto because it is convenient and creates a common currency, bringing equality to all countries.
And some people choose Fiat money because they've been used to using it for decades and now they have credit cards and wallet payment apps online, so why do you need crypto?
The comparison of the the currency depends on the people, the users who will decide on where and how to use their money. Crypto currency for me, is better when you are risky enought to invest and have high hopes on increasing your money conveniently and with less effort. On the other side, fiat is good through traditional transactions that are still not accepting any other payment and is more secure to store.
Once the lightening network is developed completely traditional transactions will also be done with bitcoin with ease. People who aren't much knowledged about investing and has got little knowledge to use computer can just buy and hold bitcoin. This will surely give assured return on the investment. As quoted, based on the usage both were chosen, fiat now is much required on day to day life transactions while bitcoin is preferred for long term holding and on trading needs to earn little.